package shujia.day05;

class Fu5 {
    public int num = 10;

    public Fu5() {
        System.out.println("fu");
    }
}

class Zi5 extends Fu5 {
    public int num = 20;

    public Zi5() {
        //super();
        System.out.println("zi");
    }

    public void show() {
        int num = 30;
        System.out.println(num);
        System.out.println(this.num);
        System.out.println(super.num);
    }
}

public class Test1 {
    public static void main(String[] args) {
        Zi5 z = new Zi5();
        z.show();
    }
}
